Allowance for Credit Losses (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	$ 3.2	$ 5.5
Accounts Receivable, Credit Loss Expense (Reversal)	0.1	3.3	$ 0.8
Allowance for credit losses on joint interest receivables [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	$ 3.2	$ 5.5